4634 - Add the Delete button on the Partner Group Page (rubyforgood#4649)

* Add the Delete button on the Partner Group Page

* Replace Destroyed with Deleted

* Resolve Comments

* Added Request Spec for PartnerGroup and remove corresponding system-spec

* Fix lint

* fix the request-spec

Author: Aaryanpal

app/controllers/partner_groups_controller.rb

@@ -1,4 +1,6 @@
 class PartnerGroupsController < ApplicationController
+  before_action :set_partner_group, only: %i[edit destroy]
+
   def new
     @partner_group = current_organization.partner_groups.new
     @item_categories = current_organization.item_categories
@@ -31,8 +33,23 @@ def update
     end
   end
 
+  def destroy
+    if @partner_group.partners.any?
+      redirect_to partners_path + "#nav-partner-groups", alert: "Partner Group cannot be deleted."
+    else
+      @partner_group.destroy
+      respond_to do |format|
+        format.html { redirect_to partners_path + "#nav-partner-groups", notice: "Partner Group was successfully deleted." }
+      end
+    end
+  end
+
   private
 
+  def set_partner_group
+    @partner_group = current_organization.partner_groups.find(params[:id])
+  end
+
   def partner_group_params
     params.require(:partner_group).permit(:name, :send_reminders, :reminder_schedule,
       :deadline_day, :by_month_or_week, :day_of_month, :day_of_week, :every_nth_day, item_category_ids: [])

app/views/partners/_partner_groups_table.html.erb

@@ -54,8 +54,9 @@
                         <span class='text-gray-600 text-bold font-italic'>No</span>
                       <% end %>
                     </td>
-                    <td class="text-right">
+                    <td class="text-left">
                       <%= edit_button_to edit_partner_group_path(pg) %>
+                      <%= delete_button_to(partner_group_path(pg),{confirm: confirm_delete_msg(pg.name)}) if pg.partners.none? %>
                     </td>
                   </tr>
                 <% end %>

config/routes.rb

@@ -226,7 +226,7 @@ def set_up_flipper
     end
   end
 
-  resources :partner_groups, only: [:new, :create, :edit, :update]
+  resources :partner_groups, only: %i(new create edit update destroy)
 
   resources :product_drives
 

spec/requests/partner_group_spec.rb

@@ -0,0 +1,46 @@
+RSpec.describe "PartnerGroups", type: :request do
+  let(:user) { create(:user) }
+  let(:partner_group) { create(:partner_group) }
+
+  before do
+    sign_in(user)
+  end
+
+  describe "DELETE #destroy" do
+    context "when partner group has no partners" do
+      let!(:partner_group) { create(:partner_group) }
+      before { get partners_path + "#nav-partner-groups" }
+      it "destroys the partner group" do
+        within "#nav-partner-groups" do
+          expect(response.body).to have_link("Delete")
+        end
+        expect {
+          delete partner_group_path(partner_group)
+        }.to change(PartnerGroup, :count).by(-1)
+
+        expect(flash[:notice]).to eq("Partner Group was successfully deleted.")
+        expect(response).to redirect_to(partners_path + "#nav-partner-groups")
+      end
+    end
+
+    context "when partner group has partners" do
+      let!(:partner_group) { create(:partner_group) }
+
+      before do
+        create(:partner, partner_group: partner_group)
+        get partners_path + "#nav-partner-groups"
+      end
+      it "does not destroy the partner group" do
+        within "#nav-partner-groups" do
+          expect(reponse.body).not_to have_link("Delete")
+        end
+        expect {
+          delete partner_group_path(partner_group)
+        }.not_to change(PartnerGroup, :count)
+
+        expect(flash[:alert]).to eq("Partner Group cannot be deleted.")
+        expect(response).to redirect_to(partners_path + "#nav-partner-groups")
+      end
+    end
+  end
+end